tofsee | 96df169cc5d25a8e6c67995278afae2be228830480ae051403cf4198a21b652b

General

Target

2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe
Size

13.9MB
MD5

10ee1f14274c9e6ab853e9de1f6cadfd
SHA1

1b9632a1db613dafab2203ddde37381168431ceb
SHA256

96df169cc5d25a8e6c67995278afae2be228830480ae051403cf4198a21b652b
SHA512

60d93acd392344e8512b7ed14529dfe8864186b7bbb70300cedd788d58ed1bbbe25d5895f5328f707bc05b6b668a1fa4355a611d89b54af542c90da85c432627
SSDEEP

49152:8qENTT4HAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA8:8qIT

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Downloads MZ/PE file 1 IoCs

flow	pid	Process
54	2388	Process not Found

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3852	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\hlirfhwv\ImagePath = "C:\\Windows\\SysWOW64\\hlirfhwv\\lckisnui.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3932017190-1449707826-1445630-1000\Control Panel\International\Geo\Nation	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe

Deletes itself 1 IoCs

pid	Process
536	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4512	lckisnui.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4512 set thread context of 536	4512	lckisnui.exe	104

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2860	sc.exe
4736	sc.exe
2752	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4060	4512	WerFault.exe	103
3008	220	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lckisnui.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
944	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 2024	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	91
PID 220 wrote to memory of 2024	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	91
PID 220 wrote to memory of 2024	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	91
PID 220 wrote to memory of 184	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	93
PID 220 wrote to memory of 184	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	93
PID 220 wrote to memory of 184	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	93
PID 220 wrote to memory of 2752	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	97
PID 220 wrote to memory of 2752	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	97
PID 220 wrote to memory of 2752	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	97
PID 220 wrote to memory of 2860	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	99
PID 220 wrote to memory of 2860	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	99
PID 220 wrote to memory of 2860	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	99
PID 220 wrote to memory of 4736	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	101
PID 220 wrote to memory of 4736	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	101
PID 220 wrote to memory of 4736	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	101
PID 4512 wrote to memory of 536	4512	lckisnui.exe	104
PID 4512 wrote to memory of 536	4512	lckisnui.exe	104
PID 4512 wrote to memory of 536	4512	lckisnui.exe	104
PID 4512 wrote to memory of 536	4512	lckisnui.exe	104
PID 4512 wrote to memory of 536	4512	lckisnui.exe	104
PID 220 wrote to memory of 3852	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	108
PID 220 wrote to memory of 3852	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	108
PID 220 wrote to memory of 3852	220	2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe	108

C:\Users\Admin\AppData\Local\Temp\2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hlirfhwv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lckisnui.exe" C:\Windows\SysWOW64\hlirfhwv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:184
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hlirfhwv binPath= "C:\Windows\SysWOW64\hlirfhwv\lckisnui.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hlirfhwv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hlirfhwv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4736
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 888
  2⤵
  - Program crash
  PID:3008

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODYxMDc5MzE0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:944

C:\Windows\SysWOW64\hlirfhwv\lckisnui.exe
C:\Windows\SysWOW64\hlirfhwv\lckisnui.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_10ee1f14274c9e6ab853e9de1f6cadfd_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 516
  2⤵
  - Program crash
  PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4512 -ip 4512
1⤵
PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 220 -ip 220
1⤵
PID:3288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\lckisnui.exe

Filesize
11.3MB

MD5
a3f689833b26b6421341bf28e1dceece

SHA1
a86e8dc050fc2c77df716b177e55d89435747dfa

SHA256
94fa11f4a831760fdbe6eb6716d031c5c38dcb86f99496883803874b4bef9b93

SHA512
948d8050f273325cd38fa14da952f7eed297e8027206aefa91fc3d577a2fce4b9b0fdcf2d0e30c4c3c0e35af573da39d5b21a7ddadd516b1d30ef14b81145b16

Download Submit
memory/220-2-0x0000000002E20000-0x0000000002E33000-memory.dmp

Filesize
76KB

Download
memory/220-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/220-1-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

Filesize
1024KB

Download
memory/220-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/220-11-0x0000000000400000-0x0000000002DC4000-memory.dmp

Filesize
41.8MB

Download
memory/220-12-0x0000000002E20000-0x0000000002E33000-memory.dmp

Filesize
76KB

Download
memory/536-8-0x0000000000310000-0x0000000000325000-memory.dmp

Filesize
84KB

Download
memory/536-15-0x0000000000310000-0x0000000000325000-memory.dmp

Filesize
84KB

Download
memory/536-14-0x0000000000310000-0x0000000000325000-memory.dmp

Filesize
84KB

Download
memory/4512-10-0x0000000000400000-0x0000000002DC4000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads